OpenAI vs Fireworks AI: LLM APIs Comparison (2026)

An independent side-by-side comparison of OpenAI and Fireworks AI for llm apis buyers — pricing, features, integrations, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask llm apis questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Too early to call — probes still building data.
ChatGPT
OpenAI
Tracking…
No data yet
Fireworks AI
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No data yet
Perplexity
OpenAI
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No data yet
Fireworks AI
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No data yet
Gemini
OpenAI
Tracking…
No data yet
Fireworks AI
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No data yet
Claude
OpenAI
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No data yet
Fireworks AI
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No data yet
Copilot
OpenAI
Tracking…
No data yet
Fireworks AI
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No data yet
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

OpenAI
Starting price
$0/month
Free tier
Yes
openai.com
Fireworks AI
Starting price
$1 in free credits
Free tier
Yes
fireworks.ai

Key Features

OpenAI
  • Limited access to GPT-5.5 Instant
  • Limited messages and uploads
  • Limited faster image generation
  • Advanced reasoning with GPT-5.5 Thinking
  • Unlimited GPT-5.3 and file uploads
  • 5x or 20x more usage
  • Unlimited memory
  • Unlimited subject to abuse guardrails
Fireworks AI
  • Serverless Inference
  • Fine Tuning
  • On Demand Deployments
  • High rate limits
  • Batch inference priced at 50%
  • Pay per token pricing
  • Pay per GPU second
  • Customizable open models

When to choose OpenAI

Choose OpenAI if your team prioritizes its strengths over Fireworks AI's. Full guidance populates as OpenAI's feature data is indexed.

When to choose Fireworks AI

Choose Fireworks AI if your team prioritizes its strengths over OpenAI's. Full guidance populates as Fireworks AI's feature data is indexed.

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